From: Paolo Bonzini Date: Tue, 14 Jun 2016 13:10:24 +0000 (+0200) Subject: scsi: esp: respect FIFO invariant after message phase X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d020aa504cec8f525b55ba2ef982c09dc847c72e;p=qemu.git scsi: esp: respect FIFO invariant after message phase The FIFO contains two bytes; hence the write ptr should be two bytes ahead of the read pointer. Signed-off-by: Paolo Bonzini --- diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 4b94bbca67..3f08598c8d 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -222,7 +222,7 @@ static void write_response(ESPState *s) } else { s->ti_size = 2; s->ti_rptr = 0; - s->ti_wptr = 0; + s->ti_wptr = 2; s->rregs[ESP_RFLAGS] = 2; } esp_raise_irq(s);